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• OpenOffice Calc: How can I count the number of different items with data pilot?

  - by manu

  Hi all, I have a rather long spreadsheet with historical information of issues solved by some user on a colaborative environment. The spreadsheet have the following (relevant) columns date, week no., project, author id, etc... The week no. is calculated from the date, is basically the year concatenated with the week number within that year; for instance, both 2009-02-18 and 2009-02-20 yield the week number 200908 - the 8th week of year 2009; and 2009-02-23 yields 200909 - the 9th week of year 2009. I need to count how many different users (given by author id) contributed to some project, on a weekly basis. I have setup a data pilot with the week as Row Field, the project as the Column Field, and count-author as the Data Field. However, this counts the author id as different instances. This is not what I need. I need to count how many different users contributed to each project on a weekly basis. I expect to get something like: projects week Project1 Project2 Project3 200901 10 2 200902 2 7 Each inner cell containing how many different users contributed. With the count-author configuration, what I get is how many contributions (total) got the project on that week. Is there a way to tell OpenOffice Calc to do what I want?

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• In MMO game, how to handle user characters, who are offline?

  - by Deele

  In my medieval MMO game, players have their own character, that represents themselves inside game. Like a King. Players could have cities and armies, but King acts as main driving force. Then it comes to player, going offline/vacation/disconnect. How to deal with "offline King", to keep some sort of reality in game, without ruining everything for player. I have never liked unrealistic stuff in games, like appearing/dissapearing from thin air, like in WoW or other MMO RPG's, when it comes to connect/disconnect, like in Matrix movie, when you are disconnected, your "avatar" inside the system just vaninshes. Ok, if player char stays where it was left, other players who are online could kick his ass like offline player char was frozen? I see only one solution - give player char, while offline, some sort of AI, that controls char. Is there any other solutions? May be, some sort of legend/story, could make users only as inner-voice, leaving King just passively controlled by user, or other stuff... Please, help! I hope you understand my question.

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• Why do the GNOME symbolic icons appear darker in a running application?

  - by David Planella

  I'm creating an application that uses symbolic icons from the default theme. However, there are a few icons that I need that cannot be represented by those from the default theme, so I'm creating my own ones. What I did was to simply go to /usr/share/icons/gnome/scalable/actions/, copied a few locally into my app's source tree that could serve as a basis, and started editing them. So far so good. But I've noticed the following: all symbolic icons are of a light grey color when looking at the original .svg file, but when they are put onto a widget, they become darker. Here's an example, using the /usr/share/icons/gnome/scalable/actions/view-refresh-symbolic.svg icon from the default theme: Here's what it looks like when opening the original with Inkscape: And here's what it looks like on a toolbar on a running application: Notice the icon being much darker at runtime. That happens both with the Ambiance and Radiance themes. I wouldn't mind much, but I noticed it affects my custom icon, whereby parts of it become darker (the inner fill), whereas parts of it remain the same color as the original (the stroke). So what causes the default symbolic icons to darken and how should implement that for my custom icons?

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• Enterprise Instrumentation: The 'sessionName' parameter of value 'TraceSession' is not valid

  - by Michael Freidgeim

  We are still using Enterprise Instrumentation(that was created during .Net 1.1 time)In new Server 2008 environment and IIS 7 we have the following errors:The 'sessionName' parameter of value 'TraceSession' is not valid. A trace session of this name does not exist in the TraceSessions configuration file for Windows Trace Session Manager service. Ensure that a session of this name exists in the TraceSessions configuration file and that the Windows Trace Session Manager service is started.   at Microsoft.EnterpriseInstrumentation.EventSinks.TraceEventSink..ctor(IDictionary parameters, EventSource eventSource)   --- End of inner exception stack trace ---   at System.RuntimeMethodHandle._InvokeConstructor(IRuntimeMethodInfo method, Object[] args, SignatureStruct& signature, RuntimeType declaringType)   at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)   at Microsoft.EnterpriseInstrumentation.EventSinks.EventSink.CreateNewEventSinks(DataRow[] eventSinkRows, EventSource eventSource)I’ve seen the same errors on development Win7 machines when using IIS. It seems not a problem on Cassini.I've checked ,that Windows Trace Session Manager Service has started and The file C:\Program Files (x86)\Microsoft Enterprise Instrumentation\Bin\Trace Service\TraceSessions.config has corresponding entry<?xml version="1.0" encoding="utf-8" ?><configuration >                <defaultParameters minBuffers="4" maxFileSize="10" maxBuffers="25" bufferSize="20" logFileMode="sequential" flushTimer="3" />                <sessionList>                                 <session name="TraceSession" enabled="false" fileName="C:\Program Files (x86)\Microsoft Enterprise Instrumentation\Bin\Trace Service\Logs\TraceLog.log" />                </sessionList></configuration>The errors still continue, but I was able to disable  the parameter in  eventSink configuration   <eventSink name=" traceSink" description=" Outputs events to the Windows Event Trace." type ="Microsoft.EnterpriseInstrumentation.EventSinks.TraceEventSink ">                <!-- MNF disabled parameter to  avoid error "The 'sessionName' parameter of value 'TraceSession' is not valid"                      < parameter name ="sessionName " value ="TraceSession " />                    -->    </ eventSink>Related old post http://bytes.com/topic/net/answers/104761-enterprise-instrumentation-windows-trace-session-managerOne day I wish to replace all EnterpriseInstrumentation calls with NLog.

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• What is wrong with my logic for the divide and conquer algorithm for Closest pair problem?

  - by Programming Noob

  I have been following Coursera's course on Algorithms and came up with a thought about the divide/conquer algorithm for the closest pair problem, that I want clarified. As per Prof Roughgarden's algorithm (which you can see here if you're interested): For a given set of points P, of which we have two copies - sorted in X and Y direction - Px and Py, the algorithm can be given as closestPair(Px,Py): Divide points into left half - Q, and right half - R, and form sorted copies of both halves along x and y directions - Qx,Qy,Rx,Ry Let closestPair(Qx,Qy) be points p1 and q1 Let closestPair(Rx,Ry) be p2,q2 Let delta be minimum of dist(p1,q1) and dist(p2,q2) This is the unfortunate case, let p3,q3 be the closestSplitPair(Px,Py,delta) Return the best result Now, the clarification that I want is related to step 5. I should say this beforehand, that what I'm suggesting, is barely any improvement at all, but if you're still interested, read ahead. Prof R says that since the points are already sorted in X and Y directions, to find the best pair in step 5, we need to iterate over points in the strip of width 2*delta, starting from bottom to up, and in the inner loop we need only 7 comparisions. Can this be bettered to just one? How I think is possible seemed a little difficult to explain in plain text, so I drew a diagram and wrote it on paper and uploaded it here: Since no one else came up with is, I'm pretty sure there's some error in my line of thought. But I have literally been thinking about this for HOURS now, and I just HAD to post this. It's all that is in my head. Can someone point out where I'm going wrong?

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• game play strategy in an arena

  - by joulesm

  I am writing a player's behavior for an arena game, and I'm wondering if you can offer some strategies. I'm writing it in Python, but I'm just interested in the high level game play. Here are the game aspects: Arena is a circle of a given size. The arena size shrinks every round to help break ties. Players are much smaller circles, can be on teams of 1 or 2 players. Players attack by colliding with other players, and based on the physics of the collision (speed of both players, angle), one could force another player out of the arena. Once a player is out of the arena, they are out of the game (for that round). The goal is to be the only team with players left in the arena. All other players have been pushed (through collisions or mistakes) out of the arena. It is possible for there to be no winner if the last two players exit the arena at the same time. Once the player has been programmed, the game just runs. There is no human intervention in the game. I'm thinking it's easiest to implement a few simple programmatic rules for my player to follow. For example, stay close to center of the arena, attack opponents from the inner side of the arena, etc. Are there any good simple game strategies? Would adding a random aspect to the game help? For example, to avoid predictability by the other team or something. Thanks in advance.

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• Is this table replicated?

  - by fatherjack

  Another in the potentially quite sporadic series of I need to do ... but I cant find it on the internet. I have a table that I think might be involved in replication but I don't know which publication its in... We know the table name - 'MyTable' We have replication running on our server and its replicating our database, or part of it - 'MyDatabase'. We need to know if the table is replicated and if so which publication is going to need to be reviewed if we make changes to the table. How? USE MyDatabase GO /* Lots of info about our table but not much that's relevant to our current requirements*/ SELECT * FROM sysobjects WHERE NAME = 'MyTable' -- mmmm, getting there /* To quote BOL - "Contains one row for each merge article defined in the local database. This table is stored in the publication database.replication" interesting column is [pubid] */ SELECT * FROM dbo.sysmergearticles AS s WHERE NAME = 'MyTable' -- really close now /* the sysmergepublications table - Contains one row for each merge publication defined in the database. This table is stored in the publication and subscription databases. so this would be where we get the publication details */ SELECT * FROM dbo.sysmergepublications AS s WHERE s.pubid = '2876BBD8-3D4E-4ED8-88F3-581A659E8144' -- DONE IT. /* Combine the two tables above and we get the information we need */ SELECT s.[name] AS [Publication name] FROM dbo.sysmergepublications AS s INNER JOIN dbo.sysmergearticles AS s2 ON s.pubid = s2.pubid WHERE s2.NAME = 'MyTable' So I now know which

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• My Kids and Ear Infection

  - by heshamelsaghir

  My Kids and Ear Infection is becoming a weekly issue.  That is why I wanted to start this blog to talk about my experience and more important hear from other parents opinions and experience. Well, I will start with my twins, they are about 3yrs old.  started to go to day care about three months ago.  since they started with the daycare, they started getting exposed to germs and viruses and the ear infection started too.  every few weeks they have ear infection.  They take turns or some times they both get ear infection at the same time.  To be more accurate, one of them is more suseptive to the ear infection.  We ended up going through the specialest that suggested an ear tube operation and also remove the adenoid tissue.  His opinion was that will stop the fluid from staying in his inner ear and will eleminate the ear infedction.  To make the long story short for now.  the ear infection never stoped.  in addtion to the ear infection, now the tube is stuck and stoped working, the tube is moved and going to fall, as the doctor said.  the problems do not stop.  they keep adding up.  and now my second son is going to need ear tube if he gets ear infection again.  what should I do?

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• I have an "amoeba" game mechanic. Any idea on how to implement it?

  - by Jason

  Outside of a tetris clone, a crappy 2D top-down shooter, and some messing around with stuff like Unity and Flixel, I realize that I have yet to complete a single, polished, bells-and-whistles game. I want to change this, and I have an idea for my next project. The idea is that you're an amoeba. Amoebas have these eye-like cores (or something like that, I don't know biology), and you have two of 'em. You control one with WASD and the other with IJKL. There has to be a constant radius of stuff around each of the cores: And the area of the amoeba has to stay constant. So if you move a core in one direction, you increase the amoeba's area, but that increase is compensated by a decrease somewhere else: Aaaaaand I'd like to implement a vagination mechanic. You absorb things by engulfing them, like a boss. Maybe even an extra core, or a needle that pops you and causes all your inner stuff to start gushing out: But here's the problem: I don't know how to make this. However, I would like some ideas on how to implement it. Should I explore physics libraries like Box2D? Or maybe something involving fluid physics? Any help would be much appreciated. P.S. Feel free to steal this idea. I have plenty of ideas. If you do, please tell me how you made it so I can try it myself.

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• Should I always encapsulate an internal data structure entirely?

  - by Prog

  Please consider this class: class ClassA{ private Thing[] things; // stores data // stuff omitted public Thing[] getThings(){ return things; } } This class exposes the array it uses to store data, to any client code interested. I did this in an app I'm working on. I had a ChordProgression class that stores a sequence of Chords (and does some other things). It had a Chord[] getChords() method that returned the array of chords. When the data structure had to change (from an array to an ArrayList), all client code broke. This made me think - maybe the following approach is better: class ClassA{ private Thing[] things; // stores data // stuff omitted public Thing[] getThing(int index){ return things[index]; } public int getDataSize(){ return things.length; } public void setThing(int index, Thing thing){ things[index] = thing; } } Instead of exposing the data structure itself, all of the operations offered by the data structure are now offered directly by the class enclosing it, using public methods that delegate to the data structure. When the data structure changes, only these methods have to change - but after they do, all client code still works. Note that collections more complex than arrays might require the enclosing class to implement even more than three methods just to access the internal data structure. Is this approach common? What do you think of this? What downsides does it have other? Is it reasonable to have the enclosing class implement at least three public methods just to delegate to the inner data structure?

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• Programming During a Crisis

  - by Duracell

  Hello, I'm having difficulty turning this into a proper question, but here goes... Some of you may have heard about the flooding happening in Queensland, Australia. Well, I'm in the inner suburbs of Brisbane right now; the river has been slowly creeping toward my house since Tuesday. When I left for work this morning it was twenty meters down the road when it is normally kilometers away. Within hours of the distater striking, the government already had some pretty good web applications available for people to get information about what was happening and where the flood was predicted to rise. They also set up a database for people to search for the whereabouts of relatives or could register their location for others to see. Has anyone been involved in the development of these kinds of projects before? It's interesting that they could churn out this software in what appeared to be less than a day when the average development house could take weeks at best. In what ways did it differ from a 'normal' project? Any other thoughts?

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• Getting Error whileInitializing entities [closed]

  - by R76

  I am new'b as WPF Dev. I am developing Window application in WPF using mvvmlight framework. I have created database in Sqlserver compact 4.0. I have made a Ado.net Entity Data Model. When I trying to initialize the Entity object in service it throws the error like: Error 'The invocation of the constructor on type 'PointOfSale.ViewModels.ProductsViewModel' that matches the specified binding constraints threw an exception.' Line number '7' and line position '10'. stack Trace at System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) at PointOfSale.MainWindow.InitializeComponent() in e:\VarniApplication\PointOfSale\PointOfSale\MainWindow.xaml:line 1 at PointOfSale.MainWindow..ctor() in E:\VarniApplication\PointOfSale\PointOfSale\MainWindow.xaml.cs:line 27 Inner Exception {"Unable to load the specified metadata resource."} My code: xyzEntities entites; public ctor() { entites = new xyzEntities(); //This line throws an error } I have installed sql server compact 4.0 from web installer 3.0. and added the sql server compact toolbox from the extension manager. Tell me if I am missing something to install or missing something to write code.

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• Javascript Module pattern with DOM ready

  - by dego89

  I am writing a JS Module pattern to test out code and help me understand the pattern, using a JS Fiddle. What I can't figure out is why my "private methods" on line 25 and 26, when referenced via DOM ready, have a value of undefined. JSFiddle Code Sample: var obj = { key: "value" }; var Module = (function () { var innerVar = "5"; console.log("obj var in Module:"); console.log(obj); function privateFunction() { console.log("privateFunction() called."); innerFunction(); function innerFunction() { console.log("inner function of (private function) called."); } } function _numTwo() { console.log("_numTwo() function called."); } return { test: privateFunction, numTwo: _numTwo } }(obj)); $(document).ready(function () { console.log("$ Dom Ready"); console.log("Module in Dom Ready: "); console.log(Module.test()); });

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• Split up a screen into regions

  - by nexen

  My task: I want to split up a screen into 3 regions for buffs-bar (with picked items), score-info and a game-map. It doesn't matter are regions intersect with each other or not. For example: I have a screen with width=1; height=1 and the origin of coordinates (0;0) is the left bottom point. I have 3 functions: draw items, draw info, draw map. If I use it without any matrix transformations, it draws fullscreen, because it's vertex coordinates are from 0;0 to 1;1. (pseudo-code) drawItems(); drawInfo(); drawMap(); And after that I see only map onto info onto items. My goal: I have some matrixes for transformation vertexes with 0;0-1;1 coordinates to strict regions. There is only one thing, what I need to do - set matrix before drawing. So my call of drawItems-function is like: (pseudo-code) adjustViewMatrixes_andSomethingElse(items.position_of_the_region_there_it_should_be_drawn, items.sizes_of_region_to_draw); setItemsMatrix(); drawItems(); //the same function with vertex coordinates 0;0->1;1, //but it draws in other coordinates, //because I have just set the matrix for region I know only some people will understand me, so there is a picture with regions which I need to make. Every region has 0;0 - 1;1 inner coordinates.

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• Warning and error information in stored procedures revisited

  - by user13334359

  Originally way to handle warnings and errors in MySQL stored routine was designed as follows: if warning was generated during stored routine execution which has a handler for such a warning/error, MySQL remembered the handler, ignored the warning and continued execution after routine is executed MySQL checked if there is a remembered handler and activated if any This logic was not ideal and causes several problems, particularly: it was not possible to choose right handler for an instruction which generated several warnings or errors, because only first one was chosen handling conditions in current scope messed with conditions in different there were no generated warning/errors in Diagnostic Area that is against SQL Standard. First try to fix this was done in version 5.5. Patch left Diagnostic Area intact after stored routine execution, but cleared it in the beginning of each statement which can generate warnings or to work with tables. Diagnostic Area checked after stored routine execution.This patch solved issue with order of condition handlers, but lead to new issues. Most popular was that outer stored routine could see warnings which should be already handled by handler inside inner stored routine, although latest has handler. I even had to wrote a blog post about it.And now I am happy to announce this behaviour changed third time.Since version 5.6 Diagnostic Area cleared after instruction leaves its handler.This lead to that only one handler will see condition it is supposed to proceed and in proper order. All past problems are solved.I am happy that my old blog post describing weird behaviour in version 5.5 is not true any more.

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• ASP.Net MVC 3: multiple versions of the site without changing of URL, is it possible?

  - by Seacat

  Our website is written in ASP.NET MVC 3 and we want to change a feature in the core functionality of the site. The problem is not every client can be moved to this new version/format (because of some technical inner restrictions) so it means that we need to keep 2 versions of the same functionality (backend and frontend) simultaneously. We don't want our clients to worry about URLs, so the ideal solution would be keep the same URL but redirect clients to the different versions. The information about clients is stored in database. So the moment when user (client) logs in we know which version of site we should show. I'm thinking about routing and areas but I'm not sure if it's possible for example to have 2 areas with the different versions of the same application. Or is it possible to load the assemblies on the fly? After user is logged in we can decide if (s)he should be redirected to the new or old version. As far as all the clients have been moved to the new version we don't need this system more. How can I do this in ASP.NET MVC?

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• System.Web.Services.Protocols.SoapException - Security perssmission issue

  - by Hiscal

  Can any one help me to resolve this error.My website hosted on shared environment. Server Error in '/' Application. System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Net.ServicePointManager.set_CertificatePolicy(ICertificatePolicy value) at BirdieThis.WebService.golfService.BookGolfCourse(CourseBooking oCourseInfo, CoursePlayer oCoursePlayer, CoursePayment oCoursePayment) The action that failed was: Demand The type of the first permission that failed was: System.Security.Permissions.SecurityPermission The first permission that failed was: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The demand was for: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The granted set of the failing assembly was: <PermissionSet class="System.Security.PermissionSet" version="1"> <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="TEMP;TMP;USERNAME;OS;COMPUTERNAME"/> <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="D:\Hosting\5457055\html" Write="d:\content\;d:\hosting\" Append="D:\Hosting\5457055\html" PathDiscovery="d:\hosting\"/> <IPermission class="System.Security.Permissions.IsolatedStorageFilePermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Allowed="AssemblyIsolationByUser" UserQuota="9223372036854775807"/> <IPermission class="System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="RestrictedMemberAccess"/> <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Assertion, Execution, ControlThread, ControlPrincipal, RemotingConfiguration"/> <IPermission class="System.Security.Permissions.UrlIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Url="file:///D:/Hosting/5457055/html/bin/App_Code.DLL"/> <IPermission class="System.Security.Permissions.ZoneIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Zone="MyComputer"/> <IPermission class="System.Security.Permissions.KeyContainerPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Level="Medium"/> <IPermission class="System.Configuration.ConfigurationPermission, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Unrestricted="true"/> <IPermission class="System.Net.DnsPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Drawing.Printing.PrintingPermission, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Level="DefaultPrinting"/> <IPermission class="System.Net.Mail.SmtpPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Access="Connect"/> <IPermission class="System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.OleDb.OleDbPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.Odbc.OdbcPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <URI uri="http://.*"/> <URI uri="https://.*"/> </ConnectAccess> </IPermission> <IPermission class="System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <ENDPOINT host="*.*.*.*" transport="Tcp" port="3306"/> </ConnectAccess> </IPermission> </PermissionSet> The assembly or AppDomain that failed was: App_Code, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null The method that caused the failure was: golfswitchs.BookGolfResult BookGolfCourse(mygolf.CourseBooking, mygolf.CoursePlayer, mygolf.CoursePayment) The Zone of the assembly that failed was: MyComputer The Url of the assembly that failed was: file:///D:/Hosting/5457055/html/bin/App_Code.DLL --- End of inner exception stack trace --- Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Web.Services.Protocols.SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Net.ServicePointManager.set_CertificatePolicy(ICertificatePolicy value) at BirdieThis.WebService.golfService.BookGolfCourse(CourseBooking oCourseInfo, CoursePlayer oCoursePlayer, CoursePayment oCoursePayment) The action that failed was: Demand The type of the first permission that failed was: System.Security.Permissions.SecurityPermission The first permission that failed was: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The demand was for: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The granted set of the failing assembly was: <PermissionSet class="System.Security.PermissionSet" version="1"> <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="TEMP;TMP;USERNAME;OS;COMPUTERNAME"/> <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="D:\Hosting\5457055\html" Write="d:\content\;d:\hosting\" Append="D:\Hosting\5457055\html" PathDiscovery="d:\hosting\"/> <IPermission class="System.Security.Permissions.IsolatedStorageFilePermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Allowed="AssemblyIsolationByUser" UserQuota="9223372036854775807"/> <IPermission class="System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="RestrictedMemberAccess"/> <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Assertion, Execution, ControlThread, ControlPrincipal, RemotingConfiguration"/> <IPermission class="System.Security.Permissions.UrlIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Url="file:///D:/Hosting/5457055/html/bin/App_Code.DLL"/> <IPermission class="System.Security.Permissions.ZoneIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Zone="MyComputer"/> <IPermission class="System.Security.Permissions.KeyContainerPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Level="Medium"/> <IPermission class="System.Configuration.ConfigurationPermission, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Unrestricted="true"/> <IPermission class="System.Net.DnsPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Drawing.Printing.PrintingPermission, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Level="DefaultPrinting"/> <IPermission class="System.Net.Mail.SmtpPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Access="Connect"/> <IPermission class="System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.OleDb.OleDbPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.Odbc.OdbcPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <URI uri="http://.*"/> <URI uri="https://.*"/> </ConnectAccess> </IPermission> <IPermission class="System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <ENDPOINT host="*.*.*.*" transport="Tcp" port="3306"/> </ConnectAccess> </IPermission> </PermissionSet> The assembly or AppDomain that failed was: App_Code, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null The method that caused the failure was: golfswitchs.BookGolfResult BookGolfCourse(mygolf.CourseBooking, mygolf.CoursePlayer, mygolf.CoursePayment) The Zone of the assembly that failed was: MyComputer The Url of the assembly that failed was: file:///D:/Hosting/5457055/html/bin/App_Code.DLL --- End of inner exception stack trace --- Source Error: Line 446: Line 447: oPayment.PayCurrency = "USD"; Line 448: oResult = oService.BookGolfCourse(oGolfItem, oGolfplayer, oPayment); Line 449: Response.Write(oResult.RetMsg); Line 450: Source File: c:\inetpub\vhosts\cfmdeveloper.com\subdomains\ind103\httpdocs\test.aspx.cs Line: 448 Stack Trace: [SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Net.ServicePointManager.set_CertificatePolicy(ICertificatePolicy value) at BirdieThis.WebService.golfService.BookGolfCourse(CourseBooking oCourseInfo, CoursePlayer oCoursePlayer, CoursePayment oCoursePayment) The action that failed was: Demand The type of the first permission that failed was: System.Security.Permissions.SecurityPermission The first permission that failed was: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The demand was for: <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode"/> The granted set of the failing assembly was: <PermissionSet class="System.Security.PermissionSet" version="1"> <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="TEMP;TMP;USERNAME;OS;COMPUTERNAME"/> <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Read="D:\Hosting\5457055\html" Write="d:\content\;d:\hosting\" Append="D:\Hosting\5457055\html" PathDiscovery="d:\hosting\"/> <IPermission class="System.Security.Permissions.IsolatedStorageFilePermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Allowed="AssemblyIsolationByUser" UserQuota="9223372036854775807"/> <IPermission class="System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="RestrictedMemberAccess"/> <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="Assertion, Execution, ControlThread, ControlPrincipal, RemotingConfiguration"/> <IPermission class="System.Security.Permissions.UrlIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Url="file:///D:/Hosting/5457055/html/bin/App_Code.DLL"/> <IPermission class="System.Security.Permissions.ZoneIdentityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Zone="MyComputer"/> <IPermission class="System.Security.Permissions.KeyContainerPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Level="Medium"/> <IPermission class="System.Configuration.ConfigurationPermission, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Unrestricted="true"/> <IPermission class="System.Net.DnsPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Drawing.Printing.PrintingPermission, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Level="DefaultPrinting"/> <IPermission class="System.Net.Mail.SmtpPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Access="Connect"/> <IPermission class="System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.OleDb.OleDbPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Data.Odbc.OdbcPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true"/> <IPermission class="System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <URI uri="http://.*"/> <URI uri="https://.*"/> </ConnectAccess> </IPermission> <IPermission class="System.Net.SocketPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1"> <ConnectAccess> <ENDPOINT host="*.*.*.*" transport="Tcp" port="3306"/> </ConnectAccess> </IPermission> </PermissionSet> The assembly or AppDomain that failed was: App_Code, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null The method that caused the failure was: golfswitchs.BookGolfResult BookGolfCourse(mygolf.CourseBooking, mygolf.CoursePlayer, mygolf.CoursePayment) The Zone of the assembly that failed was: MyComputer The Url of the assembly that failed was: file:///D:/Hosting/5457055/html/bin/App_Code.DLL --- End of inner exception stack trace ---] System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) +431766 System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) +204 mygolf.golfService.BookGolfCourse(CourseBooking oCourseInfo, CoursePlayer oCoursePlayer, CoursePayment oCoursePayment) +80 birdiethis.web.test.BookClub() in c:\inetpub\vhosts\cfmdeveloper.com\subdomains\ind103\httpdocs\test.aspx.cs:448 birdiethis.web.test.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\cfmdeveloper.com\subdomains\ind103\httpdocs\test.aspx.cs:28 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627 Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082

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• Problems with inheritance query view and one to many association in entity framework 4

  - by Kazys

  Hi, I have situation in with I stucked and don't know way out. The problem is in my bigger model, but I have made small example which shows the same problem. I have 4 tables. I called them SuperParent, NamedParent, TypedParent and ParentType. NamedParent and TypedParent derives from superParent. TypedParent has one to many association with ParentType. I describe mapping for entities using queryView. The problem is then I want to get TypedParents and Include ParentType I get the following exception: An error occurred while preparing the command definition. See the inner exception for details. --- System.ArgumentException: The ResultType of the specified expression is not compatible with the required type. The expression ResultType is 'Transient.reference[PasibandymaiModel.SuperParent]' but the required type is 'Transient.reference[PasibandymaiModel.TypedParent]'. Parameter name: arguments[1] To get TypedParents I use following code: context.SuperParent.OfType().Include("ParentType"); my edmx file: <edmx:Edmx Version="2.0" xmlns:edmx="http://schemas.microsoft.com/ado/2008/10/edmx"> <!-- EF Runtime content --> <edmx:Runtime> <!-- SSDL content --> <edmx:StorageModels> <Schema Namespace="PasibandymaiModel.Store" Alias="Self" Provider="System.Data.SqlClient" ProviderManifestToken="2005" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2009/02/edm/ssdl"> <EntityContainer Name="PasibandymaiModelStoreContainer"> <EntitySet Name="NamedParent" EntityType="PasibandymaiModel.Store.NamedParent" store:Type="Tables" Schema="dbo" /> <EntitySet Name="ParentType" EntityType="PasibandymaiModel.Store.ParentType" store:Type="Tables" Schema="dbo" /> <EntitySet Name="SuperParent" EntityType="PasibandymaiModel.Store.SuperParent" store:Type="Tables" Schema="dbo" /> <EntitySet Name="TypedParent" EntityType="PasibandymaiModel.Store.TypedParent" store:Type="Tables" Schema="dbo" /> <AssociationSet Name="fk_NamedParent_SuperParent" Association="PasibandymaiModel.Store.fk_NamedParent_SuperParent"> <End Role="SuperParent" EntitySet="SuperParent" /> <End Role="NamedParent" EntitySet="NamedParent" /> </AssociationSet> <AssociationSet Name="fk_TypedParent_ParentType" Association="PasibandymaiModel.Store.fk_TypedParent_ParentType"> <End Role="ParentType" EntitySet="ParentType" /> <End Role="TypedParent" EntitySet="TypedParent" /> </AssociationSet> <AssociationSet Name="fk_TypedParent_SuperParent" Association="PasibandymaiModel.Store.fk_TypedParent_SuperParent"> <End Role="SuperParent" EntitySet="SuperParent" /> <End Role="TypedParent" EntitySet="TypedParent" /> </AssociationSet> </EntityContainer> <EntityType Name="NamedParent"> <Key> <PropertyRef Name="ParentId" /> </Key> <Property Name="ParentId" Type="int" Nullable="false" /> <Property Name="Name" Type="nvarchar" Nullable="false" MaxLength="100" /> </EntityType> <EntityType Name="ParentType"> <Key> <PropertyRef Name="ParentTypeId" /> </Key> <Property Name="ParentTypeId" Type="int" Nullable="false" StoreGeneratedPattern="Identity" /> <Property Name="Name" Type="nvarchar" MaxLength="100" /> </EntityType> <EntityType Name="SuperParent"> <Key> <PropertyRef Name="ParentId" /> </Key> <Property Name="ParentId" Type="int" Nullable="false" StoreGeneratedPattern="Identity" /> <Property Name="SomeAttribute" Type="nvarchar" Nullable="false" MaxLength="100" /> </EntityType> <EntityType Name="TypedParent"> <Key> <PropertyRef Name="ParentId" /> </Key> <Property Name="ParentId" Type="int" Nullable="false" /> <Property Name="ParentTypeId" Type="int" Nullable="false"/> </EntityType> <Association Name="fk_NamedParent_SuperParent"> <End Role="SuperParent" Type="PasibandymaiModel.Store.SuperParent" Multiplicity="1" /> <End Role="NamedParent" Type="PasibandymaiModel.Store.NamedParent" Multiplicity="0..1" /> <ReferentialConstraint> <Principal Role="SuperParent"> <PropertyRef Name="ParentId" /> </Principal> <Dependent Role="NamedParent"> <PropertyRef Name="ParentId" /> </Dependent> </ReferentialConstraint> </Association> <Association Name="fk_TypedParent_ParentType"> <End Role="ParentType" Type="PasibandymaiModel.Store.ParentType" Multiplicity="1" /> <End Role="TypedParent" Type="PasibandymaiModel.Store.TypedParent" Multiplicity="*" /> <ReferentialConstraint> <Principal Role="ParentType"> <PropertyRef Name="ParentTypeId" /> </Principal> <Dependent Role="TypedParent"> <PropertyRef Name="ParentTypeId" /> </Dependent> </ReferentialConstraint> </Association> <Association Name="fk_TypedParent_SuperParent"> <End Role="SuperParent" Type="PasibandymaiModel.Store.SuperParent" Multiplicity="1" /> <End Role="TypedParent" Type="PasibandymaiModel.Store.TypedParent" Multiplicity="0..1" /> <ReferentialConstraint> <Principal Role="SuperParent"> <PropertyRef Name="ParentId" /> </Principal> <Dependent Role="TypedParent"> <PropertyRef Name="ParentId" /> </Dependent> </ReferentialConstraint> </Association> <Function Name="ChildDelete" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ChildId" Type="int" Mode="In" /> </Function> <Function Name="ChildInsert" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="Name" Type="nvarchar" Mode="In" /> <Parameter Name="ParentId" Type="int" Mode="In" /> </Function> <Function Name="ChildUpdate" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ChildId" Type="int" Mode="In" /> <Parameter Name="ParentId" Type="int" Mode="In" /> <Parameter Name="Name" Type="nvarchar" Mode="In" /> </Function> <Function Name="NamedParentDelete" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentId" Type="int" Mode="In" /> </Function> <Function Name="NamedParentInsert" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="Name" Type="nvarchar" Mode="In" /> <Parameter Name="SomeAttribute" Type="nvarchar" Mode="In" /> </Function> <Function Name="NamedParentUpdate" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentId" Type="int" Mode="In" /> <Parameter Name="SomeAttribute" Type="nvarchar" Mode="In" /> <Parameter Name="Name" Type="nvarchar" Mode="In" /> </Function> <Function Name="ParentTypeDelete" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentTypeId" Type="int" Mode="In" /> </Function> <Function Name="ParentTypeInsert" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="Name" Type="nvarchar" Mode="In" /> </Function> <Function Name="ParentTypeUpdate" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentTypeId" Type="int" Mode="In" /> <Parameter Name="Name" Type="nvarchar" Mode="In" /> </Function> <Function Name="TypedParentDelete" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentId" Type="int" Mode="In" /> </Function> <Function Name="TypedParentInsert" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentTypeId" Type="int" Mode="In" /> <Parameter Name="SomeAttribute" Type="nvarchar" Mode="In" /> </Function> <Function Name="TypedParentUpdate" Aggregate="false" BuiltIn="false" NiladicFunction="false" IsComposable="false" ParameterTypeSemantics="AllowImplicitConversion" Schema="dbo"> <Parameter Name="ParentId" Type="int" Mode="In" /> <Parameter Name="SomeAttribute" Type="nvarchar" Mode="In" /> <Parameter Name="ParentTypeId" Type="int" Mode="In" /> </Function> </Schema> </edmx:StorageModels> <!-- CSDL content --> <edmx:ConceptualModels> <Schema Namespace="PasibandymaiModel" Alias="Self" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns="http://schemas.microsoft.com/ado/2008/09/edm"> <EntityContainer Name="PasibandymaiEntities" annotation:LazyLoadingEnabled="true"> <EntitySet Name="ParentType" EntityType="PasibandymaiModel.ParentType" /> <EntitySet Name="SuperParent" EntityType="PasibandymaiModel.SuperParent" /> <AssociationSet Name="ParentTypeTypedParent" Association="PasibandymaiModel.ParentTypeTypedParent"> <End Role="ParentType" EntitySet="ParentType" /> <End Role="TypedParent" EntitySet="SuperParent" /> </AssociationSet> </EntityContainer> <EntityType Name="NamedParent" BaseType="PasibandymaiModel.SuperParent"> <Property Type="String" Name="Name" Nullable="false" MaxLength="100" FixedLength="false" Unicode="true" /> </EntityType> <EntityType Name="ParentType"> <Key> <PropertyRef Name="ParentTypeId" /> </Key> <Property Type="Int32" Name="ParentTypeId" Nullable="false" annotation:StoreGeneratedPattern="Identity" /> <Property Type="String" Name="Name" MaxLength="100" FixedLength="false" Unicode="true" /> <NavigationProperty Name="TypedParent" Relationship="PasibandymaiModel.ParentTypeTypedParent" FromRole="ParentType" ToRole="TypedParent" /> </EntityType> <EntityType Name="SuperParent" Abstract="true"> <Key> <PropertyRef Name="ParentId" /> </Key> <Property Type="Int32" Name="ParentId" Nullable="false" annotation:StoreGeneratedPattern="Identity" /> <Property Type="String" Name="SomeAttribute" Nullable="false" MaxLength="100" FixedLength="false" Unicode="true" /> </EntityType> <EntityType Name="TypedParent" BaseType="PasibandymaiModel.SuperParent"> <NavigationProperty Name="ParentType" Relationship="PasibandymaiModel.ParentTypeTypedParent" FromRole="TypedParent" ToRole="ParentType" /> <Property Type="Int32" Name="ParentTypeId" Nullable="false" /> </EntityType> <Association Name="ParentTypeTypedParent"> <End Type="PasibandymaiModel.ParentType" Role="ParentType" Multiplicity="1" /> <End Type="PasibandymaiModel.TypedParent" Role="TypedParent" Multiplicity="*" /> <ReferentialConstraint> <Principal Role="ParentType"> <PropertyRef Name="ParentTypeId" /> </Principal> <Dependent Role="TypedParent"> <PropertyRef Name="ParentTypeId" /> </Dependent> </ReferentialConstraint> </Association> </Schema> </edmx:ConceptualModels> <!-- C-S mapping content --> <edmx:Mappings> <Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2008/09/mapping/cs"> <EntityContainerMapping StorageEntityContainer="PasibandymaiModelStoreContainer" CdmEntityContainer="PasibandymaiEntities"> <EntitySetMapping Name="ParentType"> <QueryView> SELECT VALUE PasibandymaiModel.ParentType(tp.ParentTypeId, tp.Name) FROM PasibandymaiModelStoreContainer.ParentType AS tp </QueryView> </EntitySetMapping> <EntitySetMapping Name="SuperParent"> <QueryView> SELECT VALUE CASE WHEN (np.ParentId IS NOT NULL) THEN PasibandymaiModel.NamedParent(sp.ParentId, sp.SomeAttribute, np.Name) WHEN (tp.ParentId IS NOT NULL) THEN PasibandymaiModel.TypedParent(sp.ParentId, sp.SomeAttribute, tp.ParentTypeId) END FROM PasibandymaiModelStoreContainer.SuperParent AS sp LEFT JOIN PasibandymaiModelStoreContainer.NamedParent AS np ON sp.ParentId = np.ParentId LEFT JOIN PasibandymaiModelStoreContainer.TypedParent AS tp ON sp.ParentId = tp.ParentId </QueryView> <QueryView TypeName="PasibandymaiModel.TypedParent"> SELECT VALUE PasibandymaiModel.TypedParent(sp.ParentId, sp.SomeAttribute, tp.ParentTypeId) FROM PasibandymaiModelStoreContainer.SuperParent AS sp INNER JOIN PasibandymaiModelStoreContainer.TypedParent AS tp ON sp.ParentId = tp.ParentId </QueryView> <QueryView TypeName="PasibandymaiModel.NamedParent"> SELECT VALUE PasibandymaiModel.NamedParent(sp.ParentId, sp.SomeAttribute, np.Name) FROM PasibandymaiModelStoreContainer.SuperParent AS sp INNER JOIN PasibandymaiModelStoreContainer.NamedParent AS np ON sp.ParentId = np.ParentId </QueryView> </EntitySetMapping> </EntityContainerMapping> </Mapping> </edmx:Mappings> </edmx:Runtime> </edmx:Edmx> I have tried using AssociationSetMapping instead of using Association with ReferentialConstraint. But then couldn't insert related entities at once, becouse entity framework didn't provided entity key of inserted entities for related entities. Thanks for any idea

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• Simple Self Join Query Bad Performance

  - by user1514042

  Could anyone advice on how do I improve the performance of the following query. Note, the problem seems to be caused by where clause. Data (table contains a huge set of rows - 500K+, the set of parameters it's called with assums the return of 2-5K records per query, which takes 8-10 minutes currently): USE [SomeDb] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[Data]( [x] [money] NOT NULL, [y] [money] NOT NULL, CONSTRAINT [PK_Data] PRIMARY KEY CLUSTERED ( [x] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO The Query select top 10000 s.x as sx, e.x as ex, s.y as sy, e.y as ey, e.y - s.y as y_delta, e.x - s.x as x_delta from Data s inner join Data e on e.x > s.x and e.x - s.x between xFrom and xTo --where e.y - s.y > @yDelta -- when uncommented causes a huge delay Update 1 - Execution Plan <?xml version="1.0" encoding="utf-16"?> <ShowPlanXML xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Version="1.2" Build="11.0.2100.60" xmlns="http://schemas.microsoft.com/sqlserver/2004/07/showplan"> <BatchSequence> <Batch> <Statements> <StmtSimple StatementCompId="1" StatementEstRows="100" StatementId="1" StatementOptmLevel="FULL" StatementOptmEarlyAbortReason="GoodEnoughPlanFound" StatementSubTreeCost="0.0263655" StatementText="select top 100&#xD;&#xA;s.x as sx,&#xD;&#xA;e.x as ex,&#xD;&#xA;s.y as sy,&#xD;&#xA;e.y as ey,&#xD;&#xA;e.y - s.y as y_delta,&#xD;&#xA;e.x - s.x as x_delta&#xD;&#xA;from Data s &#xD;&#xA; inner join Data e&#xD;&#xA; on e.x &gt; s.x and e.x - s.x between 100 and 105&#xD;&#xA;where e.y - s.y &gt; 0.01&#xD;&#xA;" StatementType="SELECT" QueryHash="0xAAAC02AC2D78CB56" QueryPlanHash="0x747994153CB2D637" RetrievedFromCache="true"> <StatementSetOptions ANSI_NULLS="true" ANSI_PADDING="true" ANSI_WARNINGS="true" ARITHABORT="true" CONCAT_NULL_YIELDS_NULL="true" NUMERIC_ROUNDABORT="false" QUOTED_IDENTIFIER="true" /> <QueryPlan DegreeOfParallelism="0" NonParallelPlanReason="NoParallelPlansInDesktopOrExpressEdition" CachedPlanSize="24" CompileTime="13" CompileCPU="13" CompileMemory="424"> <MemoryGrantInfo SerialRequiredMemory="0" SerialDesiredMemory="0" /> <OptimizerHardwareDependentProperties EstimatedAvailableMemoryGrant="52199" EstimatedPagesCached="14561" EstimatedAvailableDegreeOfParallelism="4" /> <RelOp AvgRowSize="55" EstimateCPU="1E-05" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="100" LogicalOp="Compute Scalar" NodeId="0" Parallel="false" PhysicalOp="Compute Scalar" EstimatedTotalSubtreeCost="0.0263655"> <OutputList> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> <ColumnReference Column="Expr1004" /> <ColumnReference Column="Expr1005" /> </OutputList> <ComputeScalar> <DefinedValues> <DefinedValue> <ColumnReference Column="Expr1004" /> <ScalarOperator ScalarString="[SomeDb].[dbo].[Data].[y] as [e].[y]-[SomeDb].[dbo].[Data].[y] as [s].[y]"> <Arithmetic Operation="SUB"> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </Identifier> </ScalarOperator> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> </Identifier> </ScalarOperator> </Arithmetic> </ScalarOperator> </DefinedValue> <DefinedValue> <ColumnReference Column="Expr1005" /> <ScalarOperator ScalarString="[SomeDb].[dbo].[Data].[x] as [e].[x]-[SomeDb].[dbo].[Data].[x] as [s].[x]"> <Arithmetic Operation="SUB"> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> </Identifier> </ScalarOperator> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> </Identifier> </ScalarOperator> </Arithmetic> </ScalarOperator> </DefinedValue> </DefinedValues> <RelOp AvgRowSize="39" EstimateCPU="1E-05" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="100" LogicalOp="Top" NodeId="1" Parallel="false" PhysicalOp="Top" EstimatedTotalSubtreeCost="0.0263555"> <OutputList> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </OutputList> <RunTimeInformation> <RunTimeCountersPerThread Thread="0" ActualRows="100" ActualEndOfScans="1" ActualExecutions="1" /> </RunTimeInformation> <Top RowCount="false" IsPercent="false" WithTies="false"> <TopExpression> <ScalarOperator ScalarString="(100)"> <Const ConstValue="(100)" /> </ScalarOperator> </TopExpression> <RelOp AvgRowSize="39" EstimateCPU="151828" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="100" LogicalOp="Inner Join" NodeId="2" Parallel="false" PhysicalOp="Nested Loops" EstimatedTotalSubtreeCost="0.0263455"> <OutputList> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </OutputList> <RunTimeInformation> <RunTimeCountersPerThread Thread="0" ActualRows="100" ActualEndOfScans="0" ActualExecutions="1" /> </RunTimeInformation> <NestedLoops Optimized="false"> <OuterReferences> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </OuterReferences> <RelOp AvgRowSize="23" EstimateCPU="1.80448" EstimateIO="3.76461" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="1" LogicalOp="Clustered Index Scan" NodeId="3" Parallel="false" PhysicalOp="Clustered Index Scan" EstimatedTotalSubtreeCost="0.0032831" TableCardinality="1640290"> <OutputList> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </OutputList> <RunTimeInformation> <RunTimeCountersPerThread Thread="0" ActualRows="15225" ActualEndOfScans="0" ActualExecutions="1" /> </RunTimeInformation> <IndexScan Ordered="false" ForcedIndex="false" ForceScan="false" NoExpandHint="false"> <DefinedValues> <DefinedValue> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> </DefinedValue> <DefinedValue> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </DefinedValue> </DefinedValues> <Object Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Index="[PK_Data]" Alias="[e]" IndexKind="Clustered" /> </IndexScan> </RelOp> <RelOp AvgRowSize="23" EstimateCPU="0.902317" EstimateIO="1.88387" EstimateRebinds="1" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="100" LogicalOp="Clustered Index Seek" NodeId="4" Parallel="false" PhysicalOp="Clustered Index Seek" EstimatedTotalSubtreeCost="0.0263655" TableCardinality="1640290"> <OutputList> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> </OutputList> <RunTimeInformation> <RunTimeCountersPerThread Thread="0" ActualRows="100" ActualEndOfScans="15224" ActualExecutions="15225" /> </RunTimeInformation> <IndexScan Ordered="true" ScanDirection="FORWARD" ForcedIndex="false" ForceSeek="false" ForceScan="false" NoExpandHint="false" Storage="RowStore"> <DefinedValues> <DefinedValue> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> </DefinedValue> <DefinedValue> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> </DefinedValue> </DefinedValues> <Object Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Index="[PK_Data]" Alias="[s]" IndexKind="Clustered" /> <SeekPredicates> <SeekPredicateNew> <SeekKeys> <EndRange ScanType="LT"> <RangeColumns> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> </RangeColumns> <RangeExpressions> <ScalarOperator ScalarString="[SomeDb].[dbo].[Data].[x] as [e].[x]"> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> </Identifier> </ScalarOperator> </RangeExpressions> </EndRange> </SeekKeys> </SeekPredicateNew> </SeekPredicates> <Predicate> <ScalarOperator ScalarString="([SomeDb].[dbo].[Data].[x] as [e].[x]-[SomeDb].[dbo].[Data].[x] as [s].[x])&gt;=($100.0000) AND ([SomeDb].[dbo].[Data].[x] as [e].[x]-[SomeDb].[dbo].[Data].[x] as [s].[x])&lt;=($105.0000) AND ([SomeDb].[dbo].[Data].[y] as [e].[y]-[SomeDb].[dbo].[Data].[y] as [s].[y])&gt;(0.01)"> <Logical Operation="AND"> <ScalarOperator> <Compare CompareOp="GE"> <ScalarOperator> <Arithmetic Operation="SUB"> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> </Identifier> </ScalarOperator> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> </Identifier> </ScalarOperator> </Arithmetic> </ScalarOperator> <ScalarOperator> <Const ConstValue="($100.0000)" /> </ScalarOperator> </Compare> </ScalarOperator> <ScalarOperator> <Compare CompareOp="LE"> <ScalarOperator> <Arithmetic Operation="SUB"> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="x" /> </Identifier> </ScalarOperator> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="x" /> </Identifier> </ScalarOperator> </Arithmetic> </ScalarOperator> <ScalarOperator> <Const ConstValue="($105.0000)" /> </ScalarOperator> </Compare> </ScalarOperator> <ScalarOperator> <Compare CompareOp="GT"> <ScalarOperator> <Arithmetic Operation="SUB"> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[e]" Column="y" /> </Identifier> </ScalarOperator> <ScalarOperator> <Identifier> <ColumnReference Database="[SomeDb]" Schema="[dbo]" Table="[Data]" Alias="[s]" Column="y" /> </Identifier> </ScalarOperator> </Arithmetic> </ScalarOperator> <ScalarOperator> <Const ConstValue="(0.01)" /> </ScalarOperator> </Compare> </ScalarOperator> </Logical> </ScalarOperator> </Predicate> </IndexScan> </RelOp> </NestedLoops> </RelOp> </Top> </RelOp> </ComputeScalar> </RelOp> </QueryPlan> </StmtSimple> </Statements> </Batch> </BatchSequence> </ShowPlanXML>

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• Simple libxml2 HTML parsing example, using Objective-c, Xcode, and HTMLparser.h

  - by Stu

  Please can somebody show me a simple example of parsing some HTML using libxml. #import <libxml2/libxml/HTMLparser.h> NSString *html = @"<ul><li><input type=\"image\" name=\"input1\" value=\"string1value\" /></li><li><input type=\"image\" name=\"input2\" value=\"string2value\" /></li></ul><span class=\"spantext\"><b>Hello World 1</b></span><span class=\"spantext\"><b>Hello World 2</b></span>"; 1) Say I want to parse the value of the input whose name = input2. Should output "string2value". 2) Say I want to parse the inner contents of each span tag whose class = spantext. Should output: "Hello World 1" and "Hello World 2".

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• SQL Subquery in LINQ for Entity Framework 4.0

  - by Jorin

  I'm new to LINQ and EF, but I've been able to stumble through for the majority of the queries I have, but this one has me completely confused. No matter what I try, it comes up in SQL Profiler as a big mess :-). I have two tables: Users and UsersProjects. The goal of this query is to list all the users who are working on projects with the specified user. Here is the query as I have it written in SQL. It's a subquery, but I don't know of a way to simplify it further, but I'm open to suggestions there as well. SELECT DISTINCT Users.FirstName, Users.LastName FROM Users INNER JOIN UsersProjects ON Users.ID=UsersProjects.UserID WHERE UsersProjects.ProjectID IN (SELECT ProjectID FROM UsersProjects WHERE UserID=@UserID) Anybody able to help?? It seems like a fairly simple subquery in SQL, but in LINQ, I'm baffled. Thanks, Jorin

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• How to trace WCF serialization issues / exceptions

  - by Fabiano

  Hi I occasionally run into the problem that an application exception is thrown during the WCF-serialization (after returning a DataContract from my OperationContract). The only (and less meaningfull) message I get is System.ServiceModel.CommunicationException : The underlying connection was closed: The connection was closed unexpectedly. without any insight to the inner exception, which makes it really hard to find out what caused the error during serialization. Does someone know a good way how you can trace, log and debug these exceptions? Or even better can I catch the exception, handle them and send a defined FaulMessage to the client? thank you

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• System.Net.WebException: Unable to connect to the remote server

  - by Anilkumar

  System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: An attempt was made to access a socket in a way forbidden by its access permissions at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) at System.Net.Sockets.Socket.InternalConnect(EndPoint remoteEP) at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.GetRequestStream() at OmnexCRMFileDownloader.OmnCRMTemplateDataReader.GetProposalData(String lurl) I'm getting the above error when I try to post to a .aspx page.I think it is not Posting to the page I specified. HttpWebRequest.GetRequestStream() is not getting as expected. Pls help.

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• Create a subarray reference in C# (using unsafe ?)

  - by Wam

  Hello there, I'm refactoring a library we currently use, and I'm faced with the following problem. We used to have the following stuff : class Blah { float[][] data; public float[] GetDataReference(int index) { return data[index]; } } For various reasons, I have replaced this jagged array version with a 1 dimensionnal array version, concatenating inner arrays. My question is : how can I still return a reference to a sub array of data ? class Blah { float[] data; int rows; public float[] GetDataReference(int index) { // Return a reference data from offset i to offset j; } } I was thinking that unsafe and pointers stuff may be of use, is it doable ?

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• HttpWebRequest gives a SocketException with error code 10050

  - by Shodan Is Alive

  Hi everybody I'm pulling my hairs off since two days now because I'm trying to download an image from a website using HttpWebRequest. When I call the method "GetResponse" of that class, I get the WebException "Unable to connect to the remote server.". The inner exception is "A socket operation encountered a dead network 193.63.75.26:80". After some trial and error, I created a new website to test only that portion of code and it works. I thought it could be the proxy settings so I changed settings for both of the websites according to some clues I found googling around but the situation remains the same. Basically the code I execute is this xHttpReq = System.Net.HttpWebRequest.Create(New Uri(uri)) xHttpReq.Timeout = 30000 xHttpResp = xHttpReq.GetResponse() '<-- here's where I get the error xRespStream = xHttpResp.GetResponseStream I can't figure out what I'm doing wrong... can someone help me?

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